Every year between the ages of 25 and 60, the physically inactive male will lose muscle mass and muscle strength at a rate of 0.5 percent and although this number may seem low, it adds up quickly. After the age of 60, male muscle loss doubles to about 1 percent every year. After 70, muscle mass and muscle strength declines by 2percent every year. This doubling continues every ten years until death.
Definition of intestine : the tubular part of the digestive tract that extends from the stomach to the anus â compare large intestine, small intestine See intestine defined for English-language learners
Intestine (Definition) The gastrointestinal tract starts at the mouth, travel down the tunnel (esophagus), which connects to the stomach, which then empties into the duodenum, jejunum, and ileum---the three parts of the small intestine (@25 feet). This empties into the colon or large intestine (about 5 feet), which then becomes the sigmoid colon, rectum and out the anus.